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International relations

Submarine detection a rude awakening for Sino-Japan relations

Self-Defense Force destroyer chases Chinese submarine near Senkakus

The Chinese submarine surfaced and raised the national flag once it reached the East China Sea. (Photo courtesy of Japanese Ministry of Defense)   © Kyodo

BEIJING -- A Chinese submarine was recently detected in the contiguous zone around the Japan-administered Senkaku Islands in the East China Sea.

The incident raised concerns on both sides. Japan was made aware that China is fully intent on continuing its maritime expansion while nominally working to improve ties with Japan. China, on its side, is facing domestic criticism for being easily detected by Japanese sonar.

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